Скачать или смотреть Heat Treat Demonstration

Wherein I harden and temper a small piece of O1 tool steel.

I use oxy-acetylene to achieve the high temperature quickly for the video but you can use propane or MAPP -- it just takes longer.

Lots more about steel, heat treatment and sharpening in my book, The Perfect Edge -- www.theperfectedgebook.com.

A brief description of DIY heat treatment: http://www.hocktools.com/tech-info/di...

This video is presented for entertainment purposes only. If you try it yourself, please keep your safety in mind at all times. Wear appropriate clothing and protective gear and keep a fire extinguisher handy. This is best done outdoors.